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发明名称
Motion picture film reel
摘要
申请公布号
US1861891(A)
申请公布日期
1932.06.07
申请号
US19270215618
申请日期
1927.08.26
申请人
EASTMAN KODAK COMPANY
发明人
WITTEL OTTO
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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